﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace ASPPatterns.Chap3.Layered.Model
{
    public class NullDiscountStrategy:IDiscountStrategy
    {
        #region IDiscountStrategy 成员

        public decimal ApplyExtraDiscountsTo(decimal originalSalePrice)
        {
            return originalSalePrice;
        }

        #endregion
    }
}
